标签: 1operational

1OperationalAmplifierdesignMartinLizardeJr.SusannaGuerreroDungHuynhFinalProject:OperationalAmplifierJune9,2005Professor:RogerLakeTA:AngeloLedesmaIntroduction:Anoperationalamplifierisdesigned.Severaltestsareconductedonitbyapplyinganaloganddigitalvoltagestoitsinputs.Alayoutismadefortheop-amp.Throughthetests,muchinformationisobtainedfortheop-amp.Withthecombinationofthetestinformationandlayout,theop-ampisthenreadyforchipproductionanddistribution.DesignDescription/Theory:Thefirstthingdonewastodesignacurrentmirror.UsingtheequationsI2/I1=(W2/L2)/(W1/L1),I2=2I1,andI1=(Vdd-Vgs1)/R,acurrentmirrorwithI1=10uAandI2=20uAisdesigned.ThevaluesobtainedareW1=15um,W2=30um,L1=L2=4.95um,andR=420kohms.Usingsimilarequati……